Optimal. Leaf size=88 \[ \frac{e f \tanh ^{-1}\left (\frac{-x \left (4 a^2+2 a c+b^2\right )+a b x^2+a b}{2 a \sqrt{2 a+c} \sqrt{-a x^4-a+b x^3+b x+c x^2}}\right )}{a d \sqrt{2 a+c}} \]
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Rubi [A] time = 0.329498, antiderivative size = 88, normalized size of antiderivative = 1., number of steps used = 1, number of rules used = 1, integrand size = 57, \(\frac{\text{number of rules}}{\text{integrand size}}\) = 0.018, Rules used = {2085} \[ \frac{e f \tanh ^{-1}\left (\frac{-x \left (4 a^2+2 a c+b^2\right )+a b x^2+a b}{2 a \sqrt{2 a+c} \sqrt{-a x^4-a+b x^3+b x+c x^2}}\right )}{a d \sqrt{2 a+c}} \]
Antiderivative was successfully verified.
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Rule 2085
Rubi steps
\begin{align*} \int \frac{e f-e f x^2}{\left (-a d+b d x-a d x^2\right ) \sqrt{-a+b x+c x^2+b x^3-a x^4}} \, dx &=\frac{e f \tanh ^{-1}\left (\frac{a b-\left (4 a^2+b^2+2 a c\right ) x+a b x^2}{2 a \sqrt{2 a+c} \sqrt{-a+b x+c x^2+b x^3-a x^4}}\right )}{a \sqrt{2 a+c} d}\\ \end{align*}
Mathematica [C] time = 6.52871, size = 15147, normalized size = 172.12 \[ \text{Result too large to show} \]
Warning: Unable to verify antiderivative.
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Maple [C] time = 0.135, size = 269221, normalized size = 3059.3 \begin{align*} \text{output too large to display} \end{align*}
Verification of antiderivative is not currently implemented for this CAS.
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Maxima [F] time = 0., size = 0, normalized size = 0. \begin{align*} \int \frac{e f x^{2} - e f}{\sqrt{-a x^{4} + b x^{3} + c x^{2} + b x - a}{\left (a d x^{2} - b d x + a d\right )}}\,{d x} \end{align*}
Verification of antiderivative is not currently implemented for this CAS.
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Fricas [A] time = 30.3305, size = 699, normalized size = 7.94 \begin{align*} \left [\frac{\sqrt{2 \, a + c} e f \log \left (\frac{2 \, a b^{3} x^{3} + 2 \, a b^{3} x +{\left (8 \, a^{4} - a^{2} b^{2} + 4 \, a^{3} c\right )} x^{4} + 8 \, a^{4} - a^{2} b^{2} + 4 \, a^{3} c -{\left (16 \, a^{4} + 10 \, a^{2} b^{2} + b^{4} + 8 \, a^{2} c^{2} + 4 \,{\left (6 \, a^{3} + a b^{2}\right )} c\right )} x^{2} - 4 \,{\left (a^{2} b x^{2} + a^{2} b -{\left (4 \, a^{3} + a b^{2} + 2 \, a^{2} c\right )} x\right )} \sqrt{-a x^{4} + b x^{3} + c x^{2} + b x - a} \sqrt{2 \, a + c}}{a^{2} x^{4} - 2 \, a b x^{3} - 2 \, a b x +{\left (2 \, a^{2} + b^{2}\right )} x^{2} + a^{2}}\right )}{2 \,{\left (2 \, a^{2} + a c\right )} d}, -\frac{\sqrt{-2 \, a - c} e f \arctan \left (\frac{2 \, \sqrt{-a x^{4} + b x^{3} + c x^{2} + b x - a} a \sqrt{-2 \, a - c}}{a b x^{2} + a b -{\left (4 \, a^{2} + b^{2} + 2 \, a c\right )} x}\right )}{{\left (2 \, a^{2} + a c\right )} d}\right ] \end{align*}
Verification of antiderivative is not currently implemented for this CAS.
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Sympy [F] time = 0., size = 0, normalized size = 0. \begin{align*} \frac{e f \left (\int \frac{x^{2}}{a x^{2} \sqrt{- a x^{4} - a + b x^{3} + b x + c x^{2}} + a \sqrt{- a x^{4} - a + b x^{3} + b x + c x^{2}} - b x \sqrt{- a x^{4} - a + b x^{3} + b x + c x^{2}}}\, dx + \int - \frac{1}{a x^{2} \sqrt{- a x^{4} - a + b x^{3} + b x + c x^{2}} + a \sqrt{- a x^{4} - a + b x^{3} + b x + c x^{2}} - b x \sqrt{- a x^{4} - a + b x^{3} + b x + c x^{2}}}\, dx\right )}{d} \end{align*}
Verification of antiderivative is not currently implemented for this CAS.
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Giac [F(-2)] time = 0., size = 0, normalized size = 0. \begin{align*} \text{Exception raised: TypeError} \end{align*}
Verification of antiderivative is not currently implemented for this CAS.
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